[CompNetSec] - 03 - Classical Encryption Techniques

* Intro (time: 0:00) * Symmetric Cipher Model (slide(s): 3-7, time: 1:14) - Definitions (slide(s): 4, time: 1:55) - Simplified Model of Symmetric Encryption (slide(s): 5-7, time: 4:03) * Cryptographic Systems (slide(s): 8, time: 11:30) * Cryptanalysis and Brute-Force Attack (slide(s): 9, time: 14:14) - Cryptanalysis (slide(s): 9, time: 14:44) - Brute-Force (slide(s): 9, time: 14:40) * Types of Attacks (slide(s): 10, time: 19:38) - Ciphertext only (slide(s): 10, time: 19:43) - Known Plaintext (slide(s): 10, time: 20:09) - Chosen Plaintext (slide(s): 10, time: 20:44) - Chosen Chipter (slide(s): 10, time: 22:46) - Chosen Text (slide(s): 10, time: 22:59) * Encryption Scheme Security (slide(s): 11, time: 23:39) - Unconditionally Secure (slide(s): 11, time: 24:18) - Computationally Secure (slide(s): 11, time: 24:47) * Brute-Force Attack (slide(s): 12, time: 27:05) * Substitution Techniques (slide(s): 13-28, time: 28:57) - Caesar Cipher (slide(s): 14-16, time: 30:29) - Refer to {Part 1, slide(s): 15} (slide(s): 15, time: 34:58) - Monoalphabetic Cipher (slide(s): 17-19, time: 37:58) - Playfair Cipher (slide(s): 20-21, time: 45:18) - Polyalphabetic Ciphers (slide(s): 22, time: 52:20) - Vigenère Cipher (slide(s): 23-24, time: 53:43) - [Improvement] Vigenère Autokey System (slide(s): 25, time: 58:00) - Vernam Cipher (slide(s): 26, time: 1:00:01) - [Improvement] One-Time Pad (slide(s): 27-28, time: 1:04:54) * Transposition (slide(s): 29, 1:09:51) - Row Transposition Cipher (slide(s): 29, time: 1:10:07) * Steganography (slide(s): 30, time: 1:12:14) * Other Steganography Techniques (slide(s): 31, time: 1:15:31) * Steganography vs. Encryption (slide(s): 32, time: 1:17:22) * Summary (slide(s): 33, time: 1:19:22) ANNOTATION BY: an SSP CCE 2021 alumnus who prefered to be anonymous! --Computer and Network Security